<h3>描述</h3>
<p>基本使用，只定义内容，其余采用默认值</p>
<h3>导入</h3>
<p>import {{ '{' }} TiMessageModule {{ '}' }} from '@opentiny/ng';</p>
<h3>示例</h3>
<button (click)="showMsg()" tiButton>show message</button>
